Sep 2026: Microsoft Exchange Server Spoofing Vulnerability
CVE-2026-69356 Published on September 8, 2026
Microsoft Exchange Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-69356 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-69356
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Affected Versions
Microsoft Exchange Server 2016 Cumulative Update 23:- Version 15.01.0.0 and below 15.01.2507.073 is affected.
- Version 15.02.0.0 and below 15.02.1544.046 is affected.
- Version 15.02.0.0 and below 15.02.1748.051 is affected.
- Version 15.02.0.0 and below 15.02.2562.049 is affected.